| '\" t |
| .\" Copyright (c) 2006 by Michael Kerrisk <mtk.manpages@gmail.com> |
| .\" |
| .\" SPDX-License-Identifier: Linux-man-pages-copyleft |
| .\" |
| .TH fcloseall 3 (date) "Linux man-pages (unreleased)" |
| .SH NAME |
| fcloseall \- close all open streams |
| .SH LIBRARY |
| Standard C library |
| .RI ( libc ,\~ \-lc ) |
| .SH SYNOPSIS |
| .nf |
| .BR "#define _GNU_SOURCE" " /* See feature_test_macros(7) */" |
| .B #include <stdio.h> |
| .P |
| .B int fcloseall(void); |
| .fi |
| .SH DESCRIPTION |
| The |
| .BR fcloseall () |
| function closes all of the calling process's open streams. |
| Buffered output for each stream is written before it is closed |
| (as for |
| .BR fflush (3)); |
| buffered input is discarded. |
| .P |
| The standard streams, |
| .IR stdin , |
| .IR stdout , |
| and |
| .I stderr |
| are also closed. |
| .SH RETURN VALUE |
| This function returns 0 if all files were successfully closed; |
| on error, |
| .B EOF |
| is returned. |
| .SH ATTRIBUTES |
| For an explanation of the terms used in this section, see |
| .BR attributes (7). |
| .TS |
| allbox; |
| lbx lb lb |
| l l l. |
| Interface Attribute Value |
| T{ |
| .na |
| .nh |
| .BR fcloseall () |
| T} Thread safety MT-Unsafe race:streams |
| .TE |
| .P |
| The |
| .BR fcloseall () |
| function does not lock the streams, so it is not thread-safe. |
| .SH STANDARDS |
| GNU. |
| .SH SEE ALSO |
| .BR close (2), |
| .BR fclose (3), |
| .BR fflush (3), |
| .BR fopen (3), |
| .BR setbuf (3) |
